ddr: Add DDR driver for iMX8ULP
Add iMX8ULP DDR initialization driver which loads the DDR timing
parameters and executes the training procedure.
When enabling IMX8ULP_DRAM_PHY_PLL_BYPASS, using PHY PLL bypass mode
to do DDR init
Signed-off-by: Ye Li <ye.li@nxp.com>
diff --git a/drivers/ddr/imx/imx8ulp/Makefile b/drivers/ddr/imx/imx8ulp/Makefile
new file mode 100644
index 0000000..7f44a92
--- /dev/null
+++ b/drivers/ddr/imx/imx8ulp/Makefile
@@ -0,0 +1,9 @@
+#
+# Copyright 2021 NXP
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_IMX8ULP_DRAM) += ddr_init.o
+endif